Designed for airsoft AUG from Tokyo Marui, AGM, G&P, G&G, CYMA, DBOY, Echo1, JG, Classic Army, ICS, SRC, UTG . Providing 470 rounds of BB"s and made to give smooth feeding to all your AUG compatible magazine needs. Why buy one extra magazine when you could get them 2 at time for one low price? Does not fit with LPEG brand rifles such as Double Eagle"s guns